vast

Very large or wide (literally or figuratively).

• The Sahara desert is vast.
• There is a vast difference between them.

Very great in size, amount, degree, intensity, or especially extent.

• The exiguity and ſmallneſſe of ſome ſeeds extending to large productions is one of the magnalities of nature, ſomewhat illuſtrating the work of the Creation, and vaſt production from nothing.
• Last spring, the periodical cicadas emerged across eastern North America. Their vast numbers and short above-ground life spans inspired awe and irritation in humans—and made for good meals for birds and small mammals.

Waste; desert; desolate; lonely.obsolete

• the empty, vast, and wandering air

A vast space.poetic

• they have seemed to be together, though absent, shook hands, as over a vast, and embraced, as it were, from the ends of opposed winds.